NASACast combines the content of all the NASACast subject area podcasts into a single omnibus podcast. Here you'll find the latest news and features on NASA's missions as well as the popular "This Week @NASA" newsreel.
Dr. Doug Archer, Planetary Scientist, talks about Mars: what its made of, what it's like on the surface, and why it's such an intriguing place for humans to visit in the next giant leap. HWHAP Episode 18.
